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Raman spectra of filled carbon nanotubes

机译：填充碳纳米管的拉曼光谱

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The Raman spectra of a metallic carbon nanotube filled with atoms or molecules have been investigated theoretically. It is found that there will be a three way splitting of the main Raman lines due to the interaction of the nanotube phonon with the collective excitations (plasmons) of the conduction electrons of the nanotube as well as its coupling with the phonon of the filling material. The positions and relative strengths of these Raman peaks depend on the strength of the electron-phonon interaction, phonon frequency of the filling atom and the strength of interaction of the nanotube phonon and the phonon of the filling atoms. Careful experimental studies of the Raman spectra of filled nanotubes should show these three peaks. It is also shown that in a semiconducting nanotube the Raman line will split into two and should be observed experimentally. (C) 2004 Elsevier B.V. All rights reserved.
机译：理论上已经研究了填充有原子或分子的金属碳纳米管的拉曼光谱。发现由于纳米管声子与纳米管传导电子的集体激发（等离子体激元）的相互作用以及其与填充材料的声子的耦合，主拉曼线将发生三向分裂。 。这些拉曼峰的位置和相对强度取决于电子-声子相互作用的强度，填充原子的声子频率以及纳米管声子与填充原子的声子的相互作用的强度。对填充纳米管的拉曼光谱进行仔细的实验​​研究应显示这三个峰。还显示出在半导体纳米管中，拉曼线将分成两部分，应通过实验观察。 （C）2004 Elsevier B.V.保留所有权利。

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